[laughter] not saying gen x or millennials are not altra spirit you make a good point. for my parents come at two defining moments in their lives worth the depression and world war ii. in terms of their deepest values. i think that is the case for each -- for me, the civil rights movement, the war in vietnam were the defining moral moments in my young life. thank you, kindly. i appreciate being here. [applause] [captions copyright national cable satellite corp. 2019] [captioning performed by the national captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org] >> labor day weekend on american history tv. the 1950 army film invasion of southern france and monday, ther day at 8 p.m. eastern first general assembly held at jamestown. explore our nations past. every weekend on c-span3. >> tonight, on q&a, university of pennsylvania law school professor on free expression on college campuses. >> it ruffled people that not all cultures were alike. a code of behavior that was functional and suited to our current technological democratic